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求计算过程[(x-y)³]^4·(y-x)³·3(x-y)²
人气:118 ℃ 时间:2020-05-08 21:19:45
解答
[(x-y)³]^4·(y-x)³·3(x-y)²
=[(y-x)³]^4·(y-x)³·3(y-x)²
=3(y-x)^(12+3+2)
=3(y-x)^17
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